Embodiments of a dermatological cosmetic treatment and imaging system and method can include use of a hand wand and a removable transducer module having an ultrasound transducer. The system can include a control module that is coupled to the hand wand and has a graphical user interface for controlling the removable transducer module, and an interface coupling the hand wand to the control module. In some embodiments, the cosmetic treatment system may be used in cosmetic procedures on at least a portion of a face, head, neck, body, and/or other part of a patient for a face lift, a brow lift, a chin lift, an eye treatment, a wrinkle reduction, a scar reduction, a burn treatment, a tattoo removal, a skin tightening, a vein reduction, a treatment on a sweat gland, a treatment of hyperhidrosis, a sun spot removal, a fat treatment, a vaginal rejuvenation, and/or an acne treatment.